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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 997 · 40 questions
TalentJR

The method (Find the 100%): Name the topic and write its formula. For percent questions, decide which value is the 100%. Check units (₹, km/h, days) and whether the answer is sensible.

NameDateTime takenScore ___ / 40
  1. 1.A study lamp is marked at ₹1360. The shop gives a 20% discount. How much do you pay (in ₹)?
  2. 2.A pressure cooker bought for ₹1860 is sold at a loss of 20%. What is the selling price (in ₹)?
  3. 3.A price comes down by 10% and then comes down by 15% more. By what percent has it come down in all? =
  4. 4.9 years ago, Ishaan’s mother was three times as old as Ishaan. The mother is 45 years old now. How old is Ishaan now?
  5. 5.The average of 8 numbers is 17. When one more number is added, the average becomes 22. What number was added?
  6. 6.A shop sells an average of 23 kg of sugar a day for 3 days, and then 20 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  7. 7.A water tank holds 160 litres. 30% of the water is used. How many litres are left?
  8. 8.By selling a watch for ₹1950, a shopkeeper makes a profit of 30%. What did the watch cost the shopkeeper (in ₹)?
  9. 9.Diya puts ₹1700 in a bank at 8% simple interest per year. How much will she have after 5 years (in ₹)?
  10. 10.A price comes down by 5% and then comes down by 5% more. By what percent has it come down in all? =
  11. 11.The price of a school bag changes from ₹4920 to ₹5658. By what percent did it go up?
  12. 12.The price of a school bag changes from ₹2280 to ₹2508. By what percent did it go up?
  13. 13.The average of 9 numbers is 39. When one more number is added, the average becomes 44. What number was added?
  14. 14.The simple interest on ₹6600 for 4 years is ₹3960. What is the rate of interest (% per year)?
  15. 15.By selling a study lamp for ₹1708, a shopkeeper makes a profit of 40%. What did the study lamp cost the shopkeeper (in ₹)?
  16. 16.Find the amount when ₹1100 is invested at 10% per year compound interest for 2 years (in ₹).
  17. 17.Marks of 5 friends in a quiz: 77, 99, 88, 83, 78. What is their average mark?
  18. 18.Find the amount when ₹31250 is invested at 8% per year compound interest for 3 years (in ₹).
  19. 19.Marks of 4 friends in a quiz: 76, 61, 74, 41. What is their average mark?
  20. 20.A bus runs at 84 km/h. How far does it go in 50 minutes (in km)?
  21. 21.What is the difference between the compound interest and the simple interest on ₹300 at 10% per year for 2 years (in ₹)?
  22. 22.10 years ago, Dev’s mother was three times as old as Dev. The mother is 22 years old now. How old is Dev now?
  23. 23.The price of a school bag changes from ₹1080 to ₹1350. By what percent did it go up?
  24. 24.A water tank holds 4300 litres. 15% of the water is used. How many litres are left?
  25. 25.A price comes down by 25% and then comes down by 30% more. By what percent has it come down in all? =
  26. 26.By selling a study lamp for ₹1311, a shopkeeper makes a profit of 15%. What did the study lamp cost the shopkeeper (in ₹)?
  27. 27.A shop sells an average of 41 kg of sugar a day for 5 days, and then 63 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  28. 28.A table fan bought for ₹1200 is sold at a profit of 50%. What is the selling price (in ₹)?
  29. 29.Find the amount when ₹4096 is invested at 25% per year compound interest for 3 years (in ₹).
  30. 30.After a 50% discount, a watch costs ₹1480. What was its marked price (in ₹)?
  31. 31.A pressure cooker marked at ₹4320 is sold for ₹3456. What is the discount percent?
  32. 32.In 26 years, Tara will be three times as old as Tara was 2 years ago. How old is Tara now?
  33. 33.Nisha can finish a job in 4 days and Diya in 20 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  34. 34.By selling a table fan for ₹1188, a shopkeeper makes a loss of 40%. What did the table fan cost the shopkeeper (in ₹)?
  35. 35.By selling a bicycle for ₹2632, a shopkeeper makes a profit of 40%. What did the bicycle cost the shopkeeper (in ₹)?
  36. 36.A water tank holds 2580 litres. 10% of the water is used. How many litres are left?
  37. 37.Kabir cycles to his school at 15 km/h and comes back by the same road at 30 km/h. What is his average speed for the whole trip (in km/h)?
  38. 38.Dev can finish a job in 16 days and Saanvi in 17 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  39. 39.A school bag marked at ₹1580 is sold for ₹1501. What is the discount percent?
  40. 40.The simple interest on ₹7600 for 1 year is ₹532. What is the rate of interest (% per year)?

Answer key

  1. 1088
  2. 1488
  3. 23.5
  4. 21
  5. 62
  6. 21
  7. 112
  8. 1500
  9. 2380
  10. 9.75
  11. 15
  12. 10
  13. 89
  14. 15
  15. 1220
  16. 1331
  17. 85
  18. 39366
  19. 63
  20. 70
  21. 3
  22. 14
  23. 25
  24. 3655
  25. 47.5
  26. 1140
  27. 52
  28. 1800
  29. 8000
  30. 2960
  31. 20
  32. 16
  33. 10/3
  34. 1980
  35. 1880
  36. 2322
  37. 20
  38. 272/33
  39. 5
  40. 7

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